If your destination is east of Village Center Drive (shown in blue), use Yorba Linda Boulevard/Weir Canyon Road from the Riverside Freeway to get to and from your destination. If your destination is west of Village Center, use Imperial Highway to the greatest extent possible to get to and from your destination.
Mouth ulcers are caused by many disorders. These include: 1  Canker sores. 2  Gingivostomatitis. 3  Herpes simplex (fever blister). 4  Leukoplakia. 5  Oral cancer. 6  Oral lichen planus.
Trauma from dental work, broken teeth or restorations, and cheek bites and scrapes from hard foods like chips can all precipitate an oral ulcer. Many medications have been linked to outbreaks of oral ulcers. They include NSAIDS (Non-steroidal anti-inflammatory drugs), chemotherapeutic agents, and beta-blockers.